Interdental device



FIG. 1 is a perspective view of the interdental device embodying the new design;

FIG. 2 is a right side view, the left side being a mirror image thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a front view thereof;

FIG. 5 is a top view thereof; and,

FIG. 6 is a bottom view thereof.

FIGS. 1 and 2 show portions of the interdental device in broken lines. The portions shown in broken lines form no part of the claimed design. 

The ornamental design for an interdental device, as shown and described. 